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Array/List in Bash

Array/List is the collection of values that helps you to improve your productivity. You can create an Array/List like the following code with single/double quotes separated by space, not comma. Ru...

Arithmetic Operators in Bash

Arithmetic operators are simple calculations, like addition, subtraction, multiplication, and etc. This is simple and straightforward topic, I believe no need to explain here. Because we all did ca...

AWK command in linux

awk is a text processing command like search, replace, and manipulate text. It allows you to use variables, functions, and operators. Some Engineers said it is another programming language. Option...

Git and GitHub Guide

It is a Version Control System (VCS) where you can track all the changes. It enables multiple engineers to simultaneously work on a single project. Architecture Diagram Prerequisites Most of the ...

Sed command in Linux

sed is a powerful text editor, which stands for stream editor. It does insertion, deletion, search and replace, or substitution from your given paragraph. It is good for data manipulation and text ...

Cut command in Linux

The cut command extracts certain portion of text from each line of input string or from a file by characters, delimiter, complement, and fields options. I have created dummy content for you to tes...

GREP command in Linux

grep stands for global regular expression pattern or print. It processes text line by line, and prints matched lines. It searches text from the file according to the regular expression. Options Op...

TR command in Linux

tr stands for translate, which finds and replaces characters. It is good for manipulating text on the CLI. It has 2 mandatory sets, where SET1 translates into SET2 characters. There are certain sp...

JQ command in Linux

JQ is a CLI JSON parser with pretty prints and filters the results as JSON. So JSON stands for JavaScript Object Notation, and JQ stands for JSON Query. If you don’t have JQ package installed in y...

CURL command in Linux

Transfers data from or to a server via curl command and it supports many protocols, including HTTPS, FTP, SMTP, IMAP, POP3 to name a few. Options Options are the real power of CURL. Here I’ll cove...